Unit 6-Earth’s Resources & Human Impact

What is the renewable, biodegradable fuel made from vegetable oils, animal fats, or cooking grease?

• biodiesel

• kerosene

• natural gas

• coal

What is the term for the variety of living things in an environment, where high levels mean a healthy and balanced ecosystem?

• biodiversity

• photosynthesis

• pollution

• climate

What is the total amount of greenhouse gases released into the air by a person, group, or activity—usually from burning fossil fuels—called?

• carbon footprint

• ozone layer

• acid rain

• photosynthesis

What is the average weather conditions in a region over a long period of time (decades or more) called?

• climate

• forecast

• humidity

• precipitation

What is a long-term change in the Earth’s climate, often caused by human activities like pollution and deforestation, called?

• climate change

• weathering

• erosion

• photosynthesis

What is the process of burning something, like coal, gasoline, or wood, that releases carbon dioxide and other gases into the atmosphere?

• combustion

• photosynthesis

• evaporation

• condensation

What is the process where water vapor turns into liquid water, often forming clouds, and is part of the water cycle?

• condensation

• evaporation

• precipitation

• sublimation

What is the prevention of wasteful use or protection of natural resources called?

• conservation

• pollution

• deforestation

• urbanization

What is a long period with very little or no rainfall, leading to dry conditions and water shortages, called?

• drought

• flood

• earthquake

• hurricane

What is the process where liquid water changes into water vapor (gas), often caused by heat from the sun?

• evaporation

• condensation

• precipitation

• sublimation